.. code-block:: python

	#!/usr/bin/env python
	# -*- coding: utf-8 -*-
	
	from __future__ import print_function
	import pymzml
	import os
	
	
	def main():
	    """
	    This function shows how to plot a simple spectrum. It can be directly
	    plotted via this script or using the python console.
	
	    usage:
	
	        ./plot_spectrum.py
	
	    """
	
	    example_file = os.path.join(
	        os.path.dirname(__file__),
	        os.pardir,
	        'tests',
	        'data',
	        'example.mzML'
	    )
	    run = pymzml.run.Reader(example_file)
	    p   = pymzml.plot.Factory()
	    for spec in run:
	        p.new_plot()
	        p.add(
	            spec.peaks('centroided'),
	            color = ( 0, 0, 0 ),
	            style = 'sticks',
	            name = 'peaks'
	        )
	        filename = 'example_plot_{0}_{1}.html'.format(
	            os.path.basename(example_file),
	            spec.ID
	        )
	        p.save(
	            filename = filename
	        )
	        print('Plotted file: {0}'.format(filename))
	        break
	if __name__ == '__main__':
	    main()
